[INFO] cloning repository https://github.com/Marwes/rustfmt-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marwes/rustfmt-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwes%2Frustfmt-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwes%2Frustfmt-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 731636064bbdd202e5c1b2c0d0a208063019267b
[INFO] testing Marwes/rustfmt-bug against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarwes%2Frustfmt-bug" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Marwes/rustfmt-bug on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Marwes/rustfmt-bug
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Marwes/rustfmt-bug
[INFO] tweaked toml for git repo https://github.com/Marwes/rustfmt-bug written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Marwes/rustfmt-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b6a937d745cb08760010d8009871b5af3df04af2e068b78e29ead69cd13cfa9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b6a937d745cb08760010d8009871b5af3df04af2e068b78e29ead69cd13cfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6a937d745cb08760010d8009871b5af3df04af2e068b78e29ead69cd13cfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6a937d745cb08760010d8009871b5af3df04af2e068b78e29ead69cd13cfa9", kill_on_drop: false }`
[INFO] [stdout] 6b6a937d745cb08760010d8009871b5af3df04af2e068b78e29ead69cd13cfa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c1e3952d42adf2f4e42aa159c3b342acec476ed33ff71b6e43bd9c01c306088
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c1e3952d42adf2f4e42aa159c3b342acec476ed33ff71b6e43bd9c01c306088", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustfmt-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "0c1e3952d42adf2f4e42aa159c3b342acec476ed33ff71b6e43bd9c01c306088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1e3952d42adf2f4e42aa159c3b342acec476ed33ff71b6e43bd9c01c306088", kill_on_drop: false }`
[INFO] [stdout] 0c1e3952d42adf2f4e42aa159c3b342acec476ed33ff71b6e43bd9c01c306088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 639b6bd66c16c944205b0f0671904729182b245f10cf0117a0928edcf1ca2cab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "639b6bd66c16c944205b0f0671904729182b245f10cf0117a0928edcf1ca2cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustfmt-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `support::*`
[INFO] [stdout]  --> tests/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use support::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `f`
[INFO] [stdout]  --> tests/support/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn f() {}
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "639b6bd66c16c944205b0f0671904729182b245f10cf0117a0928edcf1ca2cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639b6bd66c16c944205b0f0671904729182b245f10cf0117a0928edcf1ca2cab", kill_on_drop: false }`
[INFO] [stdout] 639b6bd66c16c944205b0f0671904729182b245f10cf0117a0928edcf1ca2cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8e4e4b9e3a177557b942fa0d4058d3b40c78def0f52cb9c522c60b8aa76e799
[INFO] running `Command { std: "docker" "start" "-a" "e8e4e4b9e3a177557b942fa0d4058d3b40c78def0f52cb9c522c60b8aa76e799", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `support::*`
[INFO] [stderr]  --> tests/test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use support::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f`
[INFO] [stderr]  --> tests/support/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn f() {}
[INFO] [stderr]   |        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustfmt_bug-e38d8608b61fddfe
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-66056c702686aadc
[INFO] running `Command { std: "docker" "inspect" "e8e4e4b9e3a177557b942fa0d4058d3b40c78def0f52cb9c522c60b8aa76e799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e4e4b9e3a177557b942fa0d4058d3b40c78def0f52cb9c522c60b8aa76e799", kill_on_drop: false }`
[INFO] [stdout] e8e4e4b9e3a177557b942fa0d4058d3b40c78def0f52cb9c522c60b8aa76e799